/* Grade A browser clearfix */
.unit:after,
.container:after,
.column:after,
.fixed-column:after,
.elastic-column:after,
.clearfix:after
{
	content    : " ";
	display    : block;
	height     : 0;
	clear      : both;
	visibility : hidden;
}

/* msie6 clearfix */
.unit,
.container,
.column,
.fixed-column,
.elastic-column,
.clearfix
{
	*zoom :1;
	*display : inline-block;
}

.two-columns > .column,
.two-columns > .container > .column
{
	width : 50%;
}

.column,
.elastic-column,
.fixed-column
{
	float : left;
}

.three-columns > .column,
.three-columns > .container > .column
{
	width : 33.33%;
}

.three-columns > .span-2,
.three-columns > .container > .span-2
{
	width : 66.66%;
}

.four-columns > .column,
.four-columns > .container > .column
{
	width : 25%;
}

.four-columns > .span-2,
.four-columns > .container > .span-2
{
	width : 50%;
}

.four-columns > .span-3,
.four-columns > .container > .span-3
{
	width : 75%;
}